1 files changed, 21 insertions, 3 deletions
diff --git a/crypto/bzip2/src/CBZip2OutputStream.cs b/crypto/bzip2/src/CBZip2OutputStream.cs
index bf43a6a6c..ffac073fb 100644
--- a/crypto/bzip2/src/CBZip2OutputStream.cs
+++ b/crypto/bzip2/src/CBZip2OutputStream.cs
@@ -25,6 +25,8 @@
 using System;
 using System.IO;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Apache.Bzip2
 {
 	/**
@@ -384,17 +386,33 @@ namespace Org.BouncyCastle.Apache.Bzip2
 //            Close();
 //        }
 
+#if PORTABLE
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing)
+            {
+                if (closed)
+                    return;
+
+                Finish();
+                closed = true;
+                Platform.Dispose(this.bsStream);
+            }
+            base.Dispose(disposing);
+        }
+#else
         public override void Close() {
-            if (closed) {
+            if (closed)
                 return;
-            }
 
             Finish();
 
             closed = true;
+            Platform.Dispose(this.bsStream);
+
             base.Close();
-            bsStream.Close();
         }
+#endif
 
         public void Finish() {
             if (finished) {